287777287

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{2423}}^1$

素因数の和:2515

約数の個数: 24

約数和(自身を含む): 354640896

約数和(自身を除く): 66863609

約数列:

[1, 7, 19, 47, 133, 329, 361, 893, 2423, 2527, 6251, 16961, 16967, 46037, 113881, 118769, 322259, 797167, 874703, 2163739, 6122921, 15146173, 41111041, 287777287]

約数ペア:

[(1, 287777287), (7, 41111041), (19, 15146173), (47, 6122921), (133, 2163739), (329, 874703), (361, 797167), (893, 322259), (2423, 118769), (2527, 113881), (6251, 46037), (16961, 16967)]